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\begin{document}
\title{[CE538] Parallel Computer Architecture\\Homework 2}
\author{Vasiliadis Vasilios\\ \small{vasiliad@inf.uth.gr}}
\maketitle
\clearpage
\section{Exercise 1}
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\section{Exercise 2}
\section{Exercise 3}
\section{Exercise 4}
\end{document}